27049420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 58480128

約数和(自身を除く): 31430708

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 191, 194, 292, 365, 382, 388, 485, 730, 764, 955, 970, 1460, 1910, 1940, 3820, 7081, 13943, 14162, 18527, 27886, 28324, 35405, 37054, 55772, 69715, 70810, 74108, 92635, 139430, 141620, 185270, 278860, 370540, 1352471, 2704942, 5409884, 6762355, 13524710, 27049420]

約数ペア:

[(1, 27049420), (2, 13524710), (4, 6762355), (5, 5409884), (10, 2704942), (20, 1352471), (73, 370540), (97, 278860), (146, 185270), (191, 141620), (194, 139430), (292, 92635), (365, 74108), (382, 70810), (388, 69715), (485, 55772), (730, 37054), (764, 35405), (955, 28324), (970, 27886), (1460, 18527), (1910, 14162), (1940, 13943), (3820, 7081)]